The mixture of water and decaying organic matter leads to the development of what type of acid?

Which statement explains what upwelling causes? a. upwelling causes tides to rise and fall. b. upwelling causes changes in the direction of currents. c. upwelling causes nutrients, minerals, and tiny organisms to rise. d. upwelling causes currents in the pacific ocean to change direction. i think the answer is c.

What is the difference between the formation and characteristics of intrusive igneous rock and extrusive igneous rock?

Modern democracies function as republics in which elected officials make decisions for the majority of the people.